/*
 * jabsorb - a Java to JavaScript Advanced Object Request Broker
 * http://www.jabsorb.org
 *
 * Copyright 2007-2009 The jabsorb team
 *
 * based on original code from
 * JSON-RPC-Java - a JSON-RPC to Java Bridge with dynamic invocation
 *
 * Copyright Metaparadigm Pte. Ltd. 2004.
 * Michael Clark <michael@metaparadigm.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.jabsorb.reflect;

/**
 * A key for identifying a method and the number of arguments to that method
 * uniquely.
 */
public class AccessibleObjectKey
{
  /**
   * The name of the method
   */
  private String methodName;

  /**
   * The number of arguments passed to the method
   */
  private int numArgs;

  /**
   * Create a MethodKey for a given method name and the number of arguments that
   * that method takes.
   * 
   * @param methodName Method name.
   * @param numArgs The number of arguments the method takes.
   */
  public AccessibleObjectKey(String methodName, int numArgs)
  {
    this.methodName = methodName;
    this.numArgs = numArgs;
  }

  @Override
  public String toString()
  {
    return methodName+"("+numArgs+")";
  }
  @Override
  public boolean equals(Object o)
  {
    if (!(o instanceof AccessibleObjectKey))
    {
      return false;
    }
    return (methodName.equals(((AccessibleObjectKey) o).methodName) && numArgs == ((AccessibleObjectKey) o).numArgs);
  }

  /**
   * Get the method name.
   * 
   * @return the method name.
   */
  public String getMethodName()
  {
    return methodName;
  }

  /**
   * Get the number of arguments that the method takes.
   * 
   * @return the number of arguments that the method takes.
   */
  public int getNumArgs()
  {
    return numArgs;
  }

  @Override
  public int hashCode()
  {
    return methodName.hashCode() * numArgs;
  }

}
